Discuss briefly if the conditions for this test have been met.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A random sample of patient records from a large medical facility were taken and
subjects were classified by smoking status and cholesterol levels. The results are
summarized in the table with observed counts next to expected values in
parentheses followed by the Chi-square component for each cell in brackets.
Cholesterol Level Never Smoked
Low
80 (68.86) [1.80]
Moderate
High
49 (48.55) [0.00]
28 (39.59) [3.40]
Totals 157
Smoking Status
Former Smoker
63 (63.16) [0.00]
37 (44.53) [127]
44 (36.32) [1.63]
144
Current Smoker Totals
57 (67.98) [177]
200
55 (47.93) [104]
43 (39.09) [0.39]
155
Discuss briefly if the conditions for this test have been met.
141
115
456
Page 40 of 42
Transcribed Image Text:A random sample of patient records from a large medical facility were taken and subjects were classified by smoking status and cholesterol levels. The results are summarized in the table with observed counts next to expected values in parentheses followed by the Chi-square component for each cell in brackets. Cholesterol Level Never Smoked Low 80 (68.86) [1.80] Moderate High 49 (48.55) [0.00] 28 (39.59) [3.40] Totals 157 Smoking Status Former Smoker 63 (63.16) [0.00] 37 (44.53) [127] 44 (36.32) [1.63] 144 Current Smoker Totals 57 (67.98) [177] 200 55 (47.93) [104] 43 (39.09) [0.39] 155 Discuss briefly if the conditions for this test have been met. 141 115 456 Page 40 of 42
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